1. Their mission to breach sophisticated security systems and then report back on how they did it. 他们的任务是突破复杂的安全系统，然后报告他们是怎么做到的。
2. Rational product design, sophisticated production equipment, advanced manufacturing processes and improve the quality of the system. 合理的产品设计，精良的生产设备，先进的制造工艺，完善的质保体系。
3. But whereas cars, computers and so forth have become ever more sophisticated, power grids have remained, in essence, sets of dumb wires. 不过，虽然汽车、电脑等产品变得越来越精巧，电网却从本质上将依然是一条一条愚钝的电线。
英英解释
adj.
1. having or appealing to those having worldly knowledge and refinement and savoir-faire
2. ahead in development; complex or intricate
3. intellectually appealing
